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Science Y3/Y4 – Water – week 11 - test
8. Why do roads crack in winter? __________________________________________________________________________________
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(2 marks)
9. Why do ships have a Plimsoll line?. __________________________________________________________________________________
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(1 mark)
10. How do submarines surface and dive? _____________________________________________________________________________
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___________________________________________________________________________________________________________________________________
___________________________________________________________________________________________________________________________________
(3 marks)
Total marks = 20
110
